🚀 go-pugleaf

On 18-Apr-96 20:24:35, Michael van Elst wrote about Re: Length of nullmodemcable,

>>I'm sure someone once told me that for a /reliable/ link about 10
>>metres is the max.  Any more than this and its *possible* that you can
>>lose some data across the link.

 MvE> That depends on the voltages used (RS232 allows +/-3 .. +/-25V for
 MvE> signals), the cable type and the baudrate used.

Won't disagree with you there - however with the standard 1200 power
supply coupled w3ith the standard chipset I have my doubts.

 MvE> Without standard +/-12V and 19200 baud you should be able to go over
 MvE> a distance of 50m (in fact, that's what I did for some time).

Fair enough...learn something new everyday :)

 MvE> BTW, shielded cable most often reduces the maximum cable length
 MvE> because it has a higher capacitance. Unshielded twisted pair is
 MvE> probably the best for RS232 in a normal environment.

That maybe...but given the shorter length you beter transfer even with
a shorter cable.

Andy
Is it a bigger crime to rob a bank or to open one?